La Roche-sur-Yon Population and Area (Vendée)
Largest city in France 2026: up-to-date figures for La Roche-sur-Yon (Vendée)
La Roche-sur-Yon Density
659 inhabitants/km²TOP #1432
La Roche-sur-Yon: Population and Area
With 57,683 inhabitants (INSEE total population in force on January 1, 2026), La Roche-sur-Yon is the 106th most populous town in France in 2026 and the most populous in the Vendée department, out of 253 communes. It covers 88 km² (323rd largest area in France, 5th largest in the department), with a population density of 659 inhabitants per km², or 6.0 times the national average (110 inhabitants/km²), which ranks it 1,432nd in France for density.
La Roche-sur-Yon is located in the Vendée department (85), in the Pays de la Loire region, where it ranks 5th by population out of 1,228 communes. It is the most populous town in the Vendée department, which is home to 732,903 people over 6,714 km².
See the full ranking of communes in the Vendée department and the regional ranking: largest city in Pays de la Loire.
Towns of similar size in the Vendée department: Les Sables-d'Olonne (pop. 50,924), Challans (pop. 23,627), Montaigu-Vendée (pop. 21,789).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 85191. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.